<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style type="text/css">
body:empty { background-color:red; }
div#appendChild { padding: 1em;}
</style>
</head>
<body>
<p>There should be no RED on the page</p>
<div id='appendChild'></div>
</body>
</html>
